Closure for containers.



K. KIEFER. CLOSURE FOR CONTAINERS. APPLICATION FILED APR. 17. 1909.

1,079,771. Patented Nov. 25,1913.

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KARL KIEFER, or cINcIn'tiATI, OHIO.

onosuran FOR coNTAIiTE'Rs.

Specification of Letters Patent.

Patented Nov. 25, 1913.

Application filed April 17, 1909. Serial No. 490,600;

To all whom, it may concern Be it known that I, KARL KIEFER, a cltizen of the United States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Closures for Containers, of which the following is a specification.

The object of my invention is to provide a simply constructed and efiicient closure for bottles or jars, and to provide such closure with means whereby fragile materials, of which the parts may be made, will be prevented from making such contact as will cause breakage.

My invention consists in the details of construction and arrangement hereinafter more fully described and claimed.

In the drawings: Figure l is a side View of the closure; Fig. 2 is a front view; Fig. 3 is a top view; Fig. 4 is a vertical cross section through the closure; and, Fig. 5 is a perspective View of one of the elements of the closure.

The container is represented in the drawings by its neck A only. The container may be of any of the usual materials, such as glass, porcelain, earthenware or other vitrifiable material. The cap B may also be made of any of such materials. The neck of the container A has a swelling O, enabling a pair of wire hooks D to take hold of the shoulder, or ofi-set, thus formed thereon. The cap or cover B of the container is shown in Fig. 8 to have four recesses 2, in which the hooks 3 of the wire clips D find their bearings. The form of the wire clips is easily seen from the perspective view, Fig. 5. A loop 4 is formed in each clip to apply leverage to attach and detach it by means of some kind of pointed instrument, such as an ice pick, as shown in Figs. 1 and 2. The closure is elastic, the clip being of spring wire, and the horizontal part with the loop is slightly curved upward and arched, similar to a carriage spring. The clips D extend at an angle to the shoulder, or off-set, of the neck, as shown in Fig. 2, so that once passing under the shoulder they will be securely retained and locked in that position. The gasket E is also elastic, preferably of rubber. It is not necessary, however, that this gasket be elastic, as the curved horizontal part of the wire clip D is elastic and allows for quite a variation in the height of the swellin C. This horizontalpart of the wire clips being slightly curved, brings the bearing upon the shoulder, near the loop 4. The elasticity of the gasket E will add to the adaptability of my new improved closure for slight variations in the containers.

In order to attach the wire clip it is first put on the cap B with its hooks extending at a downward angle into the recesses 2 of said cap, and embracing a segmental portion of the cap B and the swelling C of the neck A, with its arched transverse part adjacent but slightly above the shoulder formed by the swelling. A pointed instrument is introduced into the loop 4, and by engaging the point underneath the shoulder the transverse part is pulled down below the shoulder, and is easily slipped or sprung thereunder.

It will be seen that the recesses 2 in the cap B are upwardly open to admit the hooks 3 of the clips D at a downward angle, so that the most intimate point of contact between the clip and the cap is far enough from the edge of the cap to avoid the tendency of the I3 clips to slip off the cap or break or chip the edges thereof. Likewise, on account of the upwardly arched formation of the transversepart engaging under the shoulder, the

wire forming this part extends inward under the shoulder at an upward angle on each side of the loop 4 in the middle, so that the trans verse part of each clip has a two-point bearing on the shoulder, comprised by the sections of wire adjacent to said loop 4: on each side thereof. This brings the most intimate contact of the transverse part with the shoulder far enough from the edges of the swelling C, where the wire passes around them, to avoid engagement that would cause slippage or breakage and chipping of the edges of this part of the neck.

The construction of the glass cap in reference to the container is also of new design. The gasket is confined between two right angle surfaces, the right angle of the neck A being formed by the vertical inner lip 5 and the horizontal surface 6, Fig. l, while the right angle surface in the cap is formed by the horizontal part of the surface 8 and the vertical outer lip 9. The edge 10 of the cap B will squeeze itself tight into the rubber gasket, squeezing same between the two right angle surfaces of the cap and neck.

It is therefore seen that the rubber gasket is almost entirely confined in a manner that it cannot escape no matter how great the pressure that is brought to bear upon the cap. The cap is also self-centering, that is,

the dimensions of the gaskets are so chosen that the lip 9 of the cap conforms closely to the outer diameter of the gasket, while the lip of the bottle neck conforms closely to the inner diameter of the gasket. The centering is therefore accomplished by a soft and elastic substance to be placed between the fragile neck and cap, wholly centering the cap by the gasket and avoiding the break- Ill age and chipping especially liable to occur if there is nothing to prevent horizontal contact when the cap is applied to the neck and clamped thereon by the exertion of apressure that is not perfectly vertical, but has a sidewise or horizontal tendency.

Having described my invention, what I claim and desire to secure by Letters Patent is. I

1. In a closure for containers, the combination with a neck having a shoulder, and a cap having clip engaging means, of clips engaging with the cap and having upwardly arched transverse members sprung under said shoulder.

2. In a closure for containers, the combination with a neck'having a shoulder, and a cap having upwardly open recesses arranged in opposed pairs, of-clips each comprising hooks engaging with a pair of said recesses, and members extending down and joined by an upwardly arched transverse member engaging under said shoulder.

3. In a closure for containers, the combination with a neck having a shoulder, and a cap having clip engaging means, of clips engaging with the cap each having members extending down and embracing the cap and the shoulder, and a transverse member joining said downwardly extending members, upwardly arched therefrom to a loop substantially midway therebetween, and engaging under said shoulder with parts flanking the loop, said loop being substantially horizontally projected, to apply leverage for springing said transverse member under or disengaging it from said shoulder.

4. In a closure for containers, the combination of a neck, a cap, and a gasket therebetween, the neck having a substantially horizontal seating surface for the gasket and a vertical part to center the gasket, and the cap having a short exterior vertical part with which it centers itself against said gasket, and a horizontal part with which it presses against said gasket, the inner diameter of the cap being materially larger than the outer diameter of the vertical part of the neck, and the centering of the cap being entirely caused by the gasket being of the specified dimensions.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

KARL KIEFER.

Witnesses:

E. E. F INCH, G. W. WERDEN.

Copies of' thii patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

